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Finding the Fourth Proportional to 646,409.97, 968,706.95 and 510,877.94

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Solution

The fourth proportional to 646,409.97, 968,706.95 and 510,877.94 is: 765,599.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,409.97 : 968,706.95 = 510,877.94 : x
  2. Step 2: Convert to fraction form
    646,409.97/968,706.95 = 510,877.94/x
  3. Step 3: Cross multiply
    646,409.97x = 968,706.95 × 510,877.94
  4. Step 4: Simplify right side
    646,409.97x = 494,891,003,681.76
  5. Step 5: Solve for x
    x = 494,891,003,681.76/646,409.97
  6. Step 6: Final answer
    x = 765,599.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.